Why was Mexico willing to let U.S. settlers occupy colonies in Texas?

While the U.S. government waited to decide whether to annex Texas, what did Texas do?
Texas encouraged immigration.

How did westward expansion cause conflict with the Mexican government?

What events led to Texas receiving independence?

answer these questions in one short sentence each

1. Mexico allowed U.S. settlers in Texas to boost economic development and increase the population in the region.

2. Texas actively promoted and encouraged immigration to attract more settlers.
3. Westward expansion led to conflicts as the Mexican government disputed the territory claimed by the U.S.
4. Texas obtained independence as a result of the Texas Revolution, including events like the Battle of the Alamo and the Battle of San Jacinto.